ar of silicon in which a hole concentration profile described by p(x) = poe(-x/Lp) d. Find the hole-current density at x = 0. Let po = 1016 /cm³, D,= 12

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Q2: (a) Consider a bar of silicon in which a hole concentration profile described by
p(x) = poe(-x/Lp)
is established. Find the hole-current density at x = 0. Let po = 1016 /cm³, Dp= 12x104
m?/sec, and Lp
= 1um. If the cross-sectional area of the bar is 100 µm?, find the current Ip.
Transcribed Image Text:Q2: (a) Consider a bar of silicon in which a hole concentration profile described by p(x) = poe(-x/Lp) is established. Find the hole-current density at x = 0. Let po = 1016 /cm³, Dp= 12x104 m?/sec, and Lp = 1um. If the cross-sectional area of the bar is 100 µm?, find the current Ip.
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